green top

C1Medical

(technical)A blood collection tube containing heparin for plasma separation in laboratory tests.

Example

• The lab technician used a green top tube for the blood sample.

B2Dairy

(british)Unpasteurized full-cream milk identified by a green cap on the bottle.

Example

• In the UK, some farmers sell green top milk directly to consumers.

C1Cricket

(sports)A playing surface with visible grass, affecting the ball's movement.

Example

• The match was challenging due to the green top pitch.

C1Guidelines

(formal)Recommendations by the Royal College of Obstetricians and Gynaecologists for obstetric and gynecological care.

C2Informal

(slang)Refers to the initial portion of a bowl of marijuana before it has been smoked.